523503016 has 16 divisors (see below), whose sum is σ = 981904500. Its totient is φ = 261661824.

The previous prime is 523503011. The next prime is 523503103. The reversal of 523503016 is 610305325.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 432224100 + 91278916 = 20790^2 + 9554^2 .

It is a super-2 number, since 2×523503016² = 548110815522192512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523503011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18106 + ... + 37078.

Almost surely, 2^523503016 is an apocalyptic number.

It is an amenable number.

523503016 is a deficient number, since it is larger than the sum of its proper divisors (458401484).

523503016 is a wasteful number, since it uses less digits than its factorization.

523503016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22428 (or 22424 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 523503016 is about 22880.1882859386. The cubic root of 523503016 is about 805.9468385201.

The spelling of 523503016 in words is "five hundred twenty-three million, five hundred three thousand, sixteen".